// Custom form controls

// Checkboxes and radios

.custom-control {
  min-height: (1rem * $line-height-base);
  padding-left: $custom-control-gutter;

  &:hover {
    cursor: pointer;
  }

  .custom-control-label:before {
    pointer-events: all;
  }
}

.custom-control-inline {
  margin-right: $custom-control-spacer-x;
}

.custom-control-input {
  &:checked ~ .custom-control-label::before {
    color: $custom-control-indicator-checked-color;
    border-color: transparent;
    @include gradient-bg($custom-control-indicator-checked-bg);
    @include box-shadow($custom-control-indicator-checked-box-shadow);
  }

  &:focus ~ .custom-control-label::before {
    // the mixin is not used here to make sure there is feedback
    box-shadow: $custom-control-indicator-focus-box-shadow;
  }

  &:active ~ .custom-control-label::before {
    color: $custom-control-indicator-active-color;
    background-color: $custom-control-indicator-active-bg;
    @include box-shadow($custom-control-indicator-active-box-shadow);
  }

  &:disabled {
    ~ .custom-control-label {
      color: $custom-control-description-disabled-color; // $custom-control-label-disabled-color

      &:hover {
        cursor: not-allowed;
      }

      &::before {
        background-color: $custom-control-indicator-disabled-bg;
      }
    }
    
  }
}

// Custom control indicators
//
// Build the custom controls out of psuedo-elements.

.custom-control-label {
  &:hover {
    cursor: pointer;
  }

  // Background-color and (when enabled) gradient
  &::before {
    top: (($line-height-base - $custom-control-indicator-size) / 2);
    width: $custom-control-indicator-size;
    height: $custom-control-indicator-size;
    background-color: $custom-control-indicator-bg;
    border: $custom-control-indicator-border;
    transition: all 250ms cubic-bezier(.27,.01,.38,1.06);
    @include box-shadow($custom-control-indicator-box-shadow);
  }

  // Foreground (icon)
  &::after {
    top: (($line-height-base - $custom-control-indicator-size) / 2);
    width: $custom-control-indicator-size;
    height: $custom-control-indicator-size;
    background-size: $custom-control-indicator-bg-size;
  }
}


// Checkboxes
//
// Tweak just a few things for checkboxes.

.custom-checkbox {
  .custom-control-label::before {
    @include border-radius($custom-checkbox-indicator-border-radius);
  }

  .custom-control-label::after {
    content: '';
    position: absolute;
    top: 5px;
    left: 7px;
    width: 5px;
    height: 11px;
    opacity: 0;
    transform: rotate(45deg) scale(0);
    border-right: 2px solid $white;
    border-bottom: 2px solid $white;
    transition: $custom-checkbox-indicator-transition;
    transition-delay: 100ms;
  }

  .custom-control-input:checked ~ .custom-control-label {
    &::before {
      background-image: none;
    }

    &::after {
      opacity: 1;
      transform: rotate(45deg) scale(1);
      background-image: $custom-checkbox-indicator-icon-checked;
    }
  }

  .custom-control-input:indeterminate ~ .custom-control-label {
    &::before {
      border: none;
      @include gradient-bg($custom-checkbox-indicator-indeterminate-bg);
      @include box-shadow($custom-checkbox-indicator-indeterminate-box-shadow);
    }

    &::after {
      content: '';
      position: absolute;
      transform: scale(1);
      background-image: $custom-checkbox-indicator-icon-indeterminate;
      background-color: $white;
      border: none;
      width: 10px;
      height: 2px;
      top: 11px;
      left: 4px;
      opacity: 1;
      transition: none;
    }
  }

  .custom-control-input:disabled:checked ~ .custom-control-label {
    &::before {
      background: $custom-control-indicator-disabled-bg;
      border-color: $border-color;
    }

    &::after {
      border-color: $border-color;
    }
  }  
}

// Radios
//
// Tweak just a few things for radios.

.custom-radio {
  .custom-control-label::before {
    border-radius: $custom-radio-indicator-border-radius;
  }

  .custom-control-label::after {
    content: '';
    border-radius: 50%;
    transform: scale(0);
    background-image: none !important;
    position: absolute;
    background: #fff;
    width: 8px;
    height: 8px;
    top: 8px;
    left: 5px;
    transition: all 250ms cubic-bezier(.27,.01,.38,1.06);
    transition-delay: .1s;
    opacity: 0;
    transform: scale(0);
  }
  
  .custom-control-input:checked ~ .custom-control-label {
    &::before {
      @include gradient-bg($custom-control-indicator-checked-bg);
    }
    &::after {
      opacity: 1;
      transform: scale(1);
    }
  }

  .custom-control-input:disabled {
    &:checked ~ .custom-control-label::before {
      background-color: lighten($blueish-grey, 30%);
    }
  }

  .custom-control-input:disabled:checked ~ .custom-control-label {
    &::before {
      background: $custom-control-indicator-disabled-bg;
      border-color: $border-color;
    }

    &::after {
      background: $border-color;
    }
  }   
}

// Select
//
// Replaces the browser default select with a custom one

.custom-select {
  height: $custom-select-height;
  padding: $custom-select-padding-y ($custom-select-padding-x + $custom-select-indicator-padding) $custom-select-padding-y $custom-select-padding-x;
  line-height: $custom-select-line-height;
  color: $custom-select-color;
  background: $custom-select-bg $custom-select-indicator no-repeat right $custom-select-padding-x center;
  background-size: $custom-select-bg-size;
  border: $custom-select-border-width solid $custom-select-border-color;
  font-weight: $font-weight-normal;
  font-size: $input-font-size;

  @include transition($input-transition);

  @if $enable-rounded {
    border-radius: $custom-select-border-radius;
  } @else {
    border-radius: 0;
  }

  &:focus {
    border-color: $custom-select-focus-border-color;
    box-shadow: $custom-select-focus-box-shadow;

    &::-ms-value {
      // For visual consistency with other platforms/browsers,
      // suppress the default white text on blue background highlight given to
      // the selected option text when the (still closed) <select> receives focus
      // in IE and (under certain conditions) Edge.
      // See https://github.com/twbs/bootstrap/issues/19398.
      color: $input-color;
      background-color: $input-bg;
    }
  }

  &:hover:not(:focus):not(:disabled) {
    cursor: pointer;
    border-color: $input-hover-border-color;
  }

  &[multiple],
  &[size]:not([size="1"]) {
    padding-right: $custom-select-padding-x;
  }

  &:disabled {
    color: $custom-select-disabled-color;
    background-color: $custom-select-disabled-bg;
  }
}

.custom-select-sm {
  height: $custom-select-height-sm;
  padding-top: $custom-select-padding-y;
  padding-bottom: $custom-select-padding-y;
  font-size: $custom-select-font-size-sm;
}

.custom-select-lg {
  height: $custom-select-height-lg;
  font-size: $custom-select-font-size-lg;
  padding-top: $custom-select-padding-y;
  padding-bottom: $custom-select-padding-y;
}

// File
//
// Custom file input.

.custom-file {
  height: $custom-file-height;
  font-size: $input-font-size;
  
  @include transition($input-transition);
}

.custom-file-input {
  min-width: $custom-file-width;
  height: $custom-file-height;

  &:focus ~ .custom-file-label {
    border-color: $custom-file-focus-border-color;
    color: $input-focus-color;
    box-shadow: $custom-file-focus-box-shadow;
    
    &::after {
      border-color: $custom-file-focus-border-color;
      color: theme-color("primary");
      background: lighten($custom-file-focus-border-color, 45);
    }

    &:hover {
      border-color: $custom-file-focus-border-color;
    }
  }

  @each $lang, $value in $custom-file-text {
    &:lang(#{$lang}) ~ .custom-file-label::after {
      content: $value;
    }
  }

  &:not(:disabled):hover {
    cursor: pointer;

    & ~ .custom-file-label,
    & ~ .custom-file-label:before {
      border-color: $input-hover-border-color;
    }
  }

  &:disabled + .custom-file-label {
    color: $custom-select-disabled-color;
    background-color: lighten($custom-select-disabled-bg, 5%);
  }
}

.custom-file-label {
  height: $custom-file-height;
  padding: $custom-file-padding-x $custom-file-padding-y;
  line-height: $custom-file-line-height;
  color: $custom-file-color;
  background-color: $custom-file-bg;
  border: $custom-file-border-width solid $custom-file-border-color;
  font-weight: $font-weight-normal;
  box-shadow: $custom-file-box-shadow;

  @include transition(box-shadow $transition-duration $ease-in-out-circ, border-color $transition-duration $ease-in-out-circ);
  @include border-radius($custom-file-border-radius);

  &::after {
    padding: $custom-file-padding-x $custom-file-padding-y;
    height: calc(#{$custom-file-height} - #{$custom-file-border-width} * 2);
    line-height: $custom-file-line-height;
    color: $custom-file-button-color;
    border-left: $custom-file-border-width solid $custom-file-border-color;
    
    @include gradient-bg($custom-file-button-bg);
    @include border-radius(0 $custom-file-border-radius $custom-file-border-radius 0);
  }
}

// Custom toggle
.custom-toggle {
  position: relative;
  padding-left: ($custom-toggle-width + 10px);

  .custom-control-label {
    // Background
    &::before {
      position: absolute;
      top: 0;
      left: 0;
      display: block;
      width: $custom-toggle-width;
      height: $custom-toggle-height;
      background: $custom-toggle-background-color;
      border-radius: $custom-toggle-border-radius;
      border: $custom-toggle-border;
    }

    // Knob
    &::after {
      content: '';
      position: absolute;
      top: 4px;
      left: 4px;
      width: $custom-toggle-knob-width;
      height: $custom-toggle-knob-height;
      background: $input-border-color;
      border-radius: $custom-toggle-knob-border-radius;
      transition: 350ms;
    }
  }

  // Checked state 
  .custom-control-input:checked ~ .custom-control-label {
    // Background
    &::before {
      background: $custom-toggle-checked-background;
      border-color: $custom-toggle-checked-border-color;
    }

    // Knob
    &::after {
      left: $custom-toggle-width - $custom-toggle-border-width - 3px;
      transform: translateX(-100%);
      background: $custom-toggle-checked-knob-background;
    }
  }

  // Disabled and checked state
  .custom-control-input:checked:disabled ~ .custom-control-label {
    &::before {
      background: $custom-control-indicator-disabled-bg;
      border-color: $border-color;
    }

    &::after {
      background: $border-color;
    }
  }
  
  // Active state
  .custom-control-input:active:not(:disabled) ~ .custom-control-label {
    // Knob
    &::after {
      width: $custom-toggle-knob-active-width;
    }
  }

  // Active, but not checked.
  .custom-control-input:active:not(:checked) ~ .custom-control-label {
    &::before {
      background-color: $custom-toggle-background-color;
    }
  }

  // Disabled and active.
  .custom-control-input:disabled:active ~ .custom-control-label {
    &::before {
      background-color: $custom-control-indicator-disabled-bg;
    }
  }

  // Focus state
  .custom-control-input:focus {
    & ~ .custom-control-label {
      &::before {
        box-shadow: $custom-toggle-focus-box-shadow;
      }
    }

    &:not(:checked) ~ .custom-control-label {
      &::before {
        box-shadow: $input-focus-box-shadow;
      }
    }
  }
}
